High-Performance RISC CPU:
⢠Only 35 instructions to learn:
- All single-cycle instructions except branches
⢠Operating speed:
- DC â 20 MHz oscillator/clock input
- DC â 200 ns instruction cycle
⢠Program Memory Read (PMR) capability
⢠Interrupt capability
⢠8-level deep hardware stack
⢠Direct, Indirect and Relative Addressing modes
Special Microcontroller Features:
⢠Precision Internal Oscillator:
- Factory calibrated to ±1%, typical
- Software selectable frequency range of 8 MHz to 125 kHz
- Software tunable
- Two-Speed Start-up mode
- External Oscillator fail detect for critical applications
- Clock mode switching during operation for power savings
⢠Software selectable 31 kHz internal oscillator
⢠Power-Saving Sleep mode
⢠Wide operating voltage range (2.0V-5.5V)
⢠Industrial and Extended temperature range
⢠Power-on Reset (POR)
⢠Power-up Timer (PWRT) and Oscillator Start-up Timer (OST)
⢠Brown-out Reset (BOR) with software control option
⢠Enhanced Low-Current Watchdog Timer (WDT) with on-chip oscillator (software selectable nominal 268 seconds with full prescaler) with software enable
⢠Multiplexed Master Clear with pull-up/input pin
⢠Programmable code protection
⢠High-Endurance Flash/EEPROM cell:
- 100,000 write Flash endurance
- 1,000,000 write EEPROM endurance
- Flash/Data EEPROM retention: > 40 years
Low-Power Features:
⢠Standby Current:
- <100 nA @ 2.0V, typical
⢠Operating Current:
- 11 μA @ 32 kHz, 2.0V, typical
- 220 μA @ 4 MHz, 2.0V, typical
⢠Watchdog Timer Current:
- 1 μA @ 2.0V, typical
Peripheral Features:
⢠Liquid Crystal Display module:
- Up to 60/96/168 pixel drive capability on 28/40/64-pin devices, respectively
- Four commons
⢠Up to 24/35/53 I/O pins and 1 input-only pin:
- High-current source/sink for direct LED drive
- Interrupt-on-change pin
- Individually programmable weak pull-ups
⢠In-Circuit Serial Programming⢠(ICSPâ¢) via two pins
⢠Analog comparator module with:
- Two analog comparators
- Programmable on-chip voltage reference (CVREF) module (% of VDD)
- Comparator inputs and outputs externally accessible
⢠A/D Converter:
- 10-bit resolution and up to 8 channels
⢠Timer0: 8-bit timer/counter with 8-bit programmable prescaler
⢠Enhanced Timer1:
- 16-bit timer/counter with prescaler
- External Timer1 Gate (count enable)
- Option to use OSC1 and OSC2 as Timer1 oscillator if INTOSCIO or LP mode is selected
⢠Timer2: 8-bit timer/counter with 8-bit period register, prescaler and postscaler
⢠Addressable Universal Synchronous Asynchronous Receiver Transmitter (AUSART)
⢠Up to 2 Capture, Compare, PWM modules:
- 16-bit Capture, max. resolution 12.5 ns
- 16-bit Compare, max. resolution 200 ns
- 10-bit PWM, max. frequency 20 kHz
⢠Synchronous Serial Port (SSP) with I2Câ¢
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